From mboxrd@z Thu Jan  1 00:00:00 1970
From: Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>
Subject: Re: [PATCH -v2] EFI: Runtime services virtual mapping
Date: Mon, 23 Sep 2013 10:45:14 +0200
Message-ID: <20130923084514.GC2527@pd.tnic>
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Cc: LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Borislav Petkov <bp-l3A5Bk7waGM@public.gmane.org>, Matt Fleming <matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>, Matthew Garrett <mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>, "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>, James Bottomley <James.Bottomley-d9PhHud1JfjCXq6kfMZ53/egYHeGw8Jk@public.gmane.org>, Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Dave Young <dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
List-Id: linux-efi@vger.kernel.org

On Sat, Sep 21, 2013 at 01:39:29PM +0200, Borislav Petkov wrote:
> -void __init efi_call_phys_prelog(void)
> +/*
> + * We allocate runtime services regions top-down, starting from -4G, i.e.
> + * 0xffff_ffff_0000_0000 and limit EFI VA mapping space to 64G.
> + */
> +static u64 efi_va	 = -4 * (1UL << 30);
> +#define EFI_VA_END	 (-68 * (1UL << 30))

Note to self: add this range to Documentation/x86/x86_64/mm.txt

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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